* {
	padding: 0;
	margin: 0;
   box-sizing: border-box;
}
header{
	    background-image: url(../img/intro-bg.jpg);
	    width: 100%;
		height: 700px;
}
.container{
	width:1170px;
	height:700px;
	margin:auto;
}
.container h1{
	text-align:center;
	font-size: 60px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 20px;
    color: #333;
	padding-top:250px;
}
 hr{
	width:70px;
	margin:auto;
}
.container p {
	text-align:center;
	font-size:20px;
	padding-top: 20px;
	margin-bottom: 20px;
}
.container p button{
	cursor:pointer;
    color: #555;
    background-color: transparent;
    border-color: #777;
    padding: 14px 20px;
    font-size: 16px;
    border-radius: 0;
	transition: all 1s ease;
}
.container p button:hover{
	background-color:#000;
	transition: all 1s ease;
	color:#fff;
}
nav {
	width:100%;
	height:85px;
	background:#F6F6F6;
}
.nav-fixed{
	position: fixed;
	top: 0;
	z-index: 1000;
	
}
nav ul {
	overflow:hidden;
	width:600px;
	height:85px;
	margin:auto;
}
nav ul li{
	float:left;
	width:200px;
	line-height:85px;
	text-align:center;
	list-style:none;
}
nav ul li a{
	text-decoration:none;
	color:#555555;
	font-size:20px;
}
nav ul li a:hover{
	cursor:pointer;
}
.show{
	width:100%;
	height:800px;
}
.show_one{
	width:800px;
	height:800px;
	margin:auto;
}
.show_one h1{
	text-align:center;
	letter-spacing: 2px;
	margin-bottom: 20px;
	color: #333;
	padding-top:100px;
} 
.show_one img{
	width:150px;
	height:150px;
	border-radius:50%;
    margin: 20px auto;
    display: block;
}
.show_one p{
	text-align:center;
	padding-top:10px;
}
.show_one p button{
	cursor:pointer;
	color: #555;
	background-color: transparent;
	border-color: #777;
	padding: 14px 20px;
	font-size: 16px;
	border-radius: 0;
	transition: all 1s ease;
}
.show_one p button:hover{
	background-color:#000;
	color:#fff;
	transition: all 1s ease;
}
.show_one p:last-child{
	padding-top:40px;
}
.main{
	width:100%;
	height:800px;
	background: #F6F6F6;
}
.main_one h1{
	text-align:center;
	letter-spacing: 2px;
	margin-bottom: 20px;
	color: #333;
	padding-top:100px;
}
.main_one p{
	text-align:center;
	padding-top:10px;
	margin-top: 20px;
	margin-bottom: 30px;
}
.main_one p button{
	cursor:pointer;
	color: #555;
	background-color: transparent;
	border-color: #777;
	padding: 8px 14px;
	font-size: 16px;
	border-radius: 0;
	transition: all 1s ease;
}

.main_two {
	width: 1500px;
	height: 500px;
	margin: auto;
	overflow: hidden;
}
.main_two  li{
	float: left;
	width:375px;
	height:250px;
	list-style: none;
	position: relative;
	/* border: 1px solid #000000; */
}
.main_two li img{
	width: 340px;
	height: 220px;
    margin-left: 15px;
}
.zhe{
	width: 340px;
	height: 220px;
	background: #555555;
	opacity: 0.5;
	position: absolute;
	top: 0;
	display: none;
    margin-left: 15px;
}
.main_two li:hover .zhe {
	display: block;
}
.zhe p{
	text-align: center;
	margin-top: 100px;
	color: #fff;
	font-weight: bold;
	font-size: 20px;
}
.main_three {
	width: 1500px;
	height: 500px;
	margin: auto;
	overflow: hidden;
	display: none;
}
.main_three  li{
	float: left;
	width:375px;
	height:250px;
	list-style: none;
	/* border: 1px solid #000000; */
	position: relative;
}
.main_three li:hover .zhe {
	display: block;
}
.main_three li img{
	width: 340px;
	height: 220px;
    margin-left: 15px;
}
footer{
	width:100%;
	height:800px;
}
.footer_one{
	height: 230px;
}

.footer_one h1{
	text-align:center;
	letter-spacing: 2px;
	margin-bottom: 20px;
	color: #333;
	padding-top:100px;
}

.footer_two {
	width: 800px;
	margin: auto;

}
.footer_two input{
	width: 380px;
	height: 30px;
	padding-left: 10px;
	margin-left: 10px;
}
.footer_two input:nth-child(3){
	width:775px;
	height: 100px;
	margin-top:50px;
}
.footer_two p {
		text-align:center;
		padding-top:50px;
}
.footer_two p button{
		cursor:pointer;
		color: #FFFFFF;
		background-color: #000;
		border-color: #777;
		padding: 11px 17px;
		font-size: 16px;
		border-radius: 0;
}
.logo{
	width:400px;
	margin:80px auto;
}
.logo i{
	margin-left: 60px;
}